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UK Electricity Grid Daily Report — 18 March 2022

On 18 March 2022, Britain’s electricity grid averaged 33.60 GW of grid demand, with renewables averaging 39.2% of tracked domestic generation and carbon intensity averaging 173 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 33.60 GW

Average grid demand for this UK day.

Peak demand 40.00 GW

Highest 15-minute grid demand period.

Avg carbon 173 gCO₂/kWh

Average carbon intensity where available.

Renewables 39.2 %

Average renewable share of tracked generation.

Average grid demandDemand
33.60 GWFull-day average from available snapshots
↓ −2.62 GW vs yesterday
Peak demand09:00
40.00 GWHighest 15-minute grid demand period
↓ −5.20 GW vs yesterday
Lowest demand03:30
25.37 GWLowest 15-minute grid demand period
↑ +0.08 GW vs yesterday
Domestic generationSupply
30.36 GWTracked UK generation sources only
↓ −3.30 GW vs yesterday
Average carbonCO₂
173 gCO₂/kWhCarbon intensity average
↑ +16 g vs yesterday
Renewable shareClean
39.2 %Wind, solar, hydro and biomass
↓ −7.1 pts vs yesterday
Clean share+ Nuclear
58.8 %Renewables plus nuclear
↓ −5.5 pts vs yesterday
Net importsFlow
3.10 GWAverage imports minus exports
↑ +1.20 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 18 March 2022, Britain’s electricity grid averaged 33.60 GW of grid demand, with renewables averaging 39.2% of tracked domestic generation and carbon intensity averaging 173 gCO₂/kWh.

The highest demand period was 40.00 GW at 09:00, while the lowest carbon intensity period was 88 gCO₂/kWh at 23:30.

Key records for 18 March 2022

Highest wind12.51 GW22:30
Highest solar8.62 GW12:00
Highest gas15.61 GW08:00
Lowest carbon88 gCO₂/kWh23:30
Highest imports4.58 GW07:00
Highest exports1.56 GW11:45

Daily chart

Demand, generation and carbon intensity

18 March 2022

Generation mix

Wind, solar, gas and interconnector flow